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101.
Multifarious psychological constructs are indexed by the mean latency difference (MLD), the within-subject difference between mean response latency on two tasks. Two associations consistently emerge in mean latency data. Firstly, across subjects, mean latencies on distinct tasks are positively correlated. This correlation arises from individual differences in general rates of information processing that are a shared influence on response latency in diverse tasks. Secondly, across tasks, the mean and variance of mean latency are positively correlated. Compared to a simple task, a complex task has both a larger average mean latency and a larger variance of mean latency, across subjects. Taken together, these associations make the interpretation of the MLD problematic by biasing correlations between the MLD and (a) task mean latencies, (b) the average of the mean latencies, (c) external criteria, and (d) other MLDs. A variety of mean latency transformations were evaluated and, while they differed in their effectiveness, they did not satisfactorily rectify MLD biases. An alternative approach, focusing on scale invariant contrasts of within-subject response latency distributions, is introduced in the conclusion. 相似文献
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103.
Abstract This paper reports a study of sources of influence on moral and ethical decision-making in social work practice. Practitioners from ten government and five non government agencies kept journals about the main moral issues they faced over a one-month period and were then interviewed about the nature of those issues, their resolution and the influences that shaped those resolutions. Practitioners' personal moral perspectives were found to be the main sources of influence on resolutions to a wide range of dilemmas and most of those resolutions did not conform to accepted social wok ethical practice principles. Even though the results of this study are drawn from a small sample, some implications are suggested for practitioner development, professional ethics and social work education. 相似文献
104.
The development of control systems and supporting software remains one of the greatest obstacles to the widespread implementation of highly adaptive reconfigurable automation technology. This paper will present the structure of a modular automation control system designed to support rapid reconfiguration and redeployment of automation components. The paper will first present the concept of a layered system architecture and the use of modular automation components to support the construction of a wide variety of automated systems. This layered system architecture is then applied to the proposed modular supervisory control system responsible for configuring and driving automated production resources. Each of the control components comprising this modular control system will be presented. 相似文献
105.
Brian Mullen 《The Journal of social issues》2001,57(3):457-475
Ethnophaulisms (Roback, 1944) are the words used as slurs to refer to ethnic immigrant outgroups. This article explores the effects of attributes of ethnic immigrant groups on the cognitive representations of these groups in ethnophaulisms and the effects of these cognitive representations on behavior toward these immigrant groups. The results of these analyses, based on archival data spanning a 150-year period of American history, provide a sobering picture of the cognitive representation of immigrants: a century and a half of thinking about smaller, less familiar, and more foreign ethnic immigrant groups in a simplistic and negative manner and a resultant tendency to exclude those immigrant groups from the receiving society. The implications of these results for theoretical approaches to intergroup perception and for immigration policy are considered. 相似文献
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108.
Brian Moeran 《全球网;跨国事务杂志》2003,3(3):371-386
Abstract In this article I focus on three kinds of overlapping social coordinates — fields, networks and frames — as they are worked out in the day‐to‐day activities of a large Tokyo advertising agency. My aims are threefold. First, to show how the three social forms of fields, networks and frames interlock in a dialectical manner that permits both macro‐ and micro‐levels of sociological analysis. I thus present methodological approaches hitherto perceived to be different in emphases or interests as complementary rather than at odds with one another. Second, I take up and reexamine the notions of network and frame as developed within the specific context of Japanese social organization. Third, I make a statement in favour of anthropological studies of business as a means of understanding how industries and organizations function in a global economy. 相似文献
109.
Kelly K. Bost Brian E. Vaughn Ada L. Boston Kerry L. Kazura Colleen O'Neal 《Social Development》2004,13(3):393-412
This study examined the stability and coherence of African‐American children's social support networks. Participants included a total of 106 3‐ to 4‐year‐old children attending Head Start centers located in the southeast. Children completed a social network interview in two consecutive years at the Head Start centers. These interviews tapped multiple dimensions of the support network including social embeddedness, proportion of the network providing support, and perceived support. Analyses focused on both the rank‐order stability of children with respect to network characteristics as well as stability of network relationships (the same individuals included in the network at both time periods). Results indicated age‐related increases in network size for adult and child categories, network size across three support domains, proportion of support scores, and perceived support from adults. In addition to age‐related changes, analyses revealed considerable rank‐order stability with respect to structural network dimensions, but very little rank‐order stability in proportion of support and perceived support scores. In contrast, both structural and supportive components of the children's networks were shown to be coherent over a one‐year period when specific network member relationships were examined. Discussion highlights both continuities and discontinuities in young children's social networks, and how data obtained in this study contribute to theory building and the systematic examination of African‐American children's emerging social networks. 相似文献
110.
The authorities in a number of advanced countries have produced intergenerational reports that seek to determine the fiscal sustainability of current policy parameters. The Australian government will publish its Intergenerational Report in May 2002. This paper attempts to place these reports in analytical perspective. We examine the notion of intergenerational equity, the conceptual basis for generational accounting, Australian efforts at constructing generational accounts, and then review the intergenerational reports of several other countries. The paper concludes with a brief synoptic discussion of various policies that can help Australian governments achieve intergenerational balance in future. 相似文献